Visit Arbouron, an alternate Earth where life is lived within the warmth and safety of its giant trees. Experience the highs and lows of the dedicated volunteers who spend Autumn and Winter in the Canopy of one of these Tree, doing the maintainence jobs that are impossible during the Spring and Summer. Follow the experiences of Squad members like Nevamar, the latest recuit to the Winter Squad. Promoted from the nameless ranks of cloned Sprites, Nevamar begins a new life, growing up in a World that is shuttered and silent. Serynazsya, bullied and bruised, she finds herself stranded with the Winter Squad, where she finds love and happiness far from her home in the Roots. Keltonant, the Squad's Medical Officer whose life was altered the day he lost the love of his life. And many other unforgetable characters.